#include<bits/stdc++.h>
using namespace std;
const int N=1e5+10;
template <typename T> void read(T &x){
    x=0;char c;int f=1;
    for(;!isdigit(c);c=getchar())if(c=='-')f=-1;
    for(;isdigit(c);c=getchar())x=(x<<3)+(x<<1)+(c^48);
    x*=f;
}
int n;
int a[N],p[N];
int ans=-1;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    read(n);
    for(int i=1;i<=n;i++){
        read(a[i]);
        p[a[i]]++;
    }
    for(int i=1;i<N;i++)ans=max(ans,p[i]);
    cout<<ans;
    return 0;
}
